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Polyclonal antibody raised in rabbit against the region of histone H3 containing the acetylated lysine 14 (H3K14ac), using a KLH-conjugated synthetic peptide.
Lot
A2283P
Concentration
0.9 µg/µl
Species reactivity
Human
Type
Polyclonal
Purity
Affinity purified
Host
Rabbit
Precautions
This product is for research use only. Not for use in diagnostic or therapeutic procedures.
Applications
Suggested dilution *
References
ChIP *
2 μg/ChIP
Fig 1
ELISA
1:1,000 - 1:5,000
Fig 3
Dot Blotting
1:10,000
Fig 3
Western Blotting
1:1,000
Fig 4
* Please note that the optimal antibody amount per IP should be determined by the end-user. We recommend testing 1-5 μg per IP.
Figure 1. ChIP results obtained with the Diagenode antibody directed against H3K14ac ChIP assays were performed using human HeLa cells, the Diagenode antibody against H3K14ac (cat. No. C15410310) and optimized PCR primer sets for qPCR. ChIP was performed with the “iDeal ChIP-seq” kit (cat. No. C01010055), using sheared chromatin from 1.5 million cells. A titration of the antibody consisting of 0.5, 1, 2 and 5 μg per ChIP experiment was analysed. IgG (1 μg/IP) was used as negative IP control. QPCR was performed with primers for a region approximately 1 kb upstream of the ACTB and GAPDH promoters, used as positive controls, and for the coding region of the inactive MYOD1 gene and the Sat2 satellite repeat, used as negative controls. Figure 1 shows the recovery, expressed as a % of input (the relative amount of immunoprecipitated DNA compared to input DNA after qPCR analysis).
Figure 2. Determination of the antibody titer To determine the titer of the antibody, an ELISA was performed using a serial dilution of the Diagenode antibody directed against H3K14ac (cat. No. C15410310) in antigen coated wells. The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution (Figure 2), the titer of the antibody was estimated to be 1:73,200.
Figure 3. Cross reactivity tests using the Diagenode antibody directed against H3K14ac To test the cross reactivity of the Diagenode antibody against H3K14ac (cat. No. C15410310), a Dot Blot analysis was performed with peptides containing other histone modifications and the unmodified H3K14. One hundred to 0.2 pmol of the respective peptides were spotted on a membrane. The antibody was used at a dilution of 1:10,000. Figure 3 shows a high specificity of the antibody for the modification of interest.
Figure 4. Western blot analysis using the Diagenode antibody directed against H3K14ac Western blot was performed on whole cell (25 μg, lane 1) and histone extracts (15 μg, lane 2) from HeLa cells, and on 1 μg of recombinant histone H2A, H2B, H3 and H4 (lane 3, 4, 5 and 6, respectively) using the Diagenode antibody against H3K14ac (cat. No. C15410310). The antibody was diluted 1:1,000 in TBS-Tween containing 5% skimmed milk. The position of the protein of interest is indicated on the right; the marker (in kDa) is shown on the left.
WB Western blot : The quality of antibodies used in this technique is crucial for correct and specific protein identification. Diagenode offers huge selection of highly sensitive and specific western blot-validated antibodies.
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